Moving the Unit
Vehicular Operation
The Rough Terrain Crane is capable of both off road and limited on-road travel. The kind of
travel undertaken will determine how the carrier is operated.
Before moving the crane, either around the work site or between sites, carefully consider
the terrain type, road conditions and any hazards likely to be encountered enroute. Think
the move through in advance and carry it out safely.
PRE-MOVE CHECK LIST
Before moving the crane to and from job sites, make sure the following safety checks have
been made:
NOTE:
When properly adjusted the parking brake will hold this machine on a 30%
grade, if the tires have adequate traction. It is recommended that when parked on a
grade that the wheels be chocked.
1.
Lock the upperstructure swing brake. Engage the swing lock.
2.
Secure hook block to the bumper loop. If this is impractical, pull the two block system
counterweight up to within approximately 1” of the load sheaves, or until block lightly
contacts boom head. On machines equipped with control system disconnects, use
override switch. Failure to pull the hook block up to the head when traveling, or to
secure it to the bumper ring, will result in excessive swinging of the hook block and
possible damage to crane.
Continuing to pull the block up after contact has been made may result in
damage to the boom head, sheaves and anti-two block switch.
3.
Check hydraulic outrigger beam retaining pins.
4.
Disconnect the main pump if the crane is to be driven more than approximately 2 miles.
5.
Shift into high range (two wheel drive).
6.
Check the tires for proper inflation pressure as indicated on the “Crane Load Chart”.
7.
Check that the rear wheels are centered and switch to 2-wheel steer.
8.
Adjust the seat and mirrors for clear vision to the rear.
9.
Check that the transmission oil pressure is within the normal operating range of 240 to
300 psi with 180- 200° F oil temperature and engine at idle. Colder oil and higher RPM
may create pressures over 300 psi. Low pressure may indicate a worn charge pump,
clogged filter, or low oil level.
Never move the carrier if the transmission oil pressure is below 240 psi. Low
pressure will cause transmission slippage and consequent premature failure of
the clutch packs.
115
P/N 12261-319 REVISED: August 2012
Summary of Contents for RT200-1
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